Last month, at the 35th annual Coney Island Mermaid Parade, I met Sierra, who was kind enough to share her appropriately-themed tattoos on her sides.First, this octopus:She credited this work to Siege (@siegeart) from Revival Art Collective (@revivalartcollective) in Phoenix, Arizona.On the other side of her torso, she has this tattoo:This one she credited to Moeh Haywood (@Moehskee) who tattoos out of Crimson…